Specifications:

Material: K9 optical glass

34mm biconvex lens: Focal length 86mm, Center thickness: 12.1mm, Edge thickness: 8.4mm

40mm biconvex lens: Focal length 123mm, Center thickness: 12mm, Edge thickness: 8.5mm

42mm biconvex lens: Focal length 141mm, Center thickness: 12.2mm, Edge thickness: 8.7mm

52mm biconvex lens: Focal length 200mm, Center thickness: 11.5mm, Edge thickness: 8mm

26mm meniscus lens(one side convex, the other side concave): Focal length 128mm, Center thickness: 6.6mm, Edge thickness: 5.5mm

Manual size measurement, Error value within 0.3mm.

Package includes: 2 x Lens
Note:
1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.